Wondewosen Shiferaw, Tekle Yoseph
Ethiopia is one of the centers of origin and diversity for a number of crop species, among which sorghum has a wide range of distribution in the country. The wealth of genetic diversity in the explored area consisted of drought tolerant, and bird-resistant species. Increasing sorghum grain yield partly requires developing cultivars that are adapted to drought stress environment. An experiment was carried out using 180 sorghum landraces collected from South omo and Segen peoples Zone in 2012 and 3 controls(2 improved varieties and 1 local check) grown during April to July, 2013, under rain faid condition at Alduba sub station of Jinka Agricultural Research center. Results of analysis of variance of 10 characters namely days to 50% heading, days to 95% maturity, plant height(cm), productive tiller number, panicle length(cm), peduncle length(cm), number of nod per plant, grain yield(kg/plot), 1000 kernel weight(g) and biomass (kg/plot) for 180 sorghum land races and 3 checks (controls) are presented in Table 1. All the characters showed significant (p<0.01) difference among the tested land races and controls. The presence of significance among landraces indicate the presence of genetic variability for each of the characters among the tested landraces.
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